/* ==========================================================================
   PHASE 1: POST-CINEMATIC HERO
   ========================================================================== */

.hero-section {
  position: relative;
  z-index: 10;
  background-color: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: visible;
  padding-top: calc(var(--header-height) + 1rem);
  padding-bottom: 0;
}

.hero-container {
  padding: 0 2rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  flex: 1;
}

@media (min-width: 1024px) {
  .hero-container {
    grid-template-columns: 50% 50%;
    gap: 0;
    align-items: center;
  }
}

/* ── Editorial Layout ── */
.hero-editorial {
  max-width: 600px;
}

.hero-technical-intro {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
  line-height: 1.4;
}

.intro-line {
  flex: 1;
  height: 1px;
  background-color: var(--line);
  min-width: 40px;
}

.hero-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(3rem, 4.8vw, 4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-headline .italic-ink {
  font-style: italic;
  color: var(--ink);
}

@keyframes gradient-text-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.hero-headline .text-animated-gradient {
  background: linear-gradient(
    110deg,
    #dcae44 0%,
    #c5a028 10%,
    #b42318 25%,
    #14110f 35%,
    #14110f 42%,
    #dcae44 50%,
    #c5a028 60%,
    #b42318 75%,
    #14110f 85%,
    #14110f 92%,
    #dcae44 100%
  );
  background-size: 200% auto;
  animation: gradient-text-flow 3.5s linear infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 480px;
}

/* ── CTAs ── */
.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

/* ── Hero CTA Buttons ── */

@keyframes button-glaze-sweep {
  0% { background-position: 0% 0, 0 0; }
  100% { background-position: 100% 0, 0 0; }
}

/* Primary: Gold default, staggered red/black skewed swipe on hover */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.35) 50%, transparent 60%), linear-gradient(135deg, #dcae44 0%, #c5a028 100%);
  background-size: 400% 100%, 100% 100%;
  animation: button-glaze-sweep 6s linear infinite;
  color: #14110f;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  border-radius: 4px;
  text-decoration: none;
  border: 1px solid rgba(20, 17, 15, 0.1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: color 0.4s ease, border-color 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 10px rgba(220, 174, 68, 0.2);

}

/* Base dark layer (Black) */
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -10%;
  width: 120%; height: 100%;
  background: #14110f;
  z-index: -1;
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

/* Accent swipe layer (Red) */
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -10%;
  width: 120%; height: 100%;
  background: #b42318;
  z-index: -2;
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-primary:hover {
  color: #dcae44;
  border-color: #b42318;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(180, 35, 24, 0.35);
}

.btn-primary:hover::after {
  transform: translateX(0) skewX(-15deg);
}

.btn-primary:hover::before {
  transform: translateX(0) skewX(-15deg);
  transition-delay: 0.08s; /* Staggered delay reveals the red swipe */
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(180, 35, 24, 0.25);
}

/* Arrow character inside primary button */
.btn-primary .btn-arrow {
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-style: normal;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(3px);
}

/* Outline: ink-bordered with full-fill slide on hover */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  background-color: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  border: 1.5px solid rgba(20, 17, 15, 0.25);
  border-radius: 4px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: color 0.25s ease,
              border-color 0.25s ease,
              box-shadow 0.25s ease;
  z-index: 0;
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.76, 0, 0.24, 1);
  z-index: -1;
}

.btn-outline:hover {
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 0 4px 16px rgba(20, 17, 15, 0.12);
}

.btn-outline:hover::before {
  transform: scaleX(1);
}

.btn-outline:active {
  transform: scale(0.98);
}

.hero-credibility {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-left: 2px solid var(--line);
  padding-left: 1rem;
  line-height: 1.5;
}

/* ── Product Evidence ── */
.hero-product-evidence {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 460px;
  width: 100%;
  /* Must be visible so back card can overflow the stack bounds */
  overflow: visible;
  padding: 2rem 0 3rem;
}

/* ── Stacked Card Container ── */
.mock-stack {
  position: relative;
  width: 100%;
  /* 90px reserved on LEFT for back card sidebar to peek out */
  max-width: 550px;
  cursor: default;
  overflow: visible;
}

/*
  Back card geometry (LEFT peek):
  - Anchored to LEFT: 0, TOP: 12px
  - Same width as front card: calc(100% - 90px)
  - flex row: sidebar FIRST (left, peeks out) → body SECOND (right, hidden behind front card)
  - Front card starts at margin-left: 90px, so 0–90px of sidebar is exposed
*/
.mock-card-back {
  position: absolute;
  top: 12px;
  left: 0;
  width: calc(100% - 90px);
  bottom: -12px;
  z-index: 0;
  display: flex;
  flex-direction: row;
  border-radius: 8px;
  overflow: hidden;
  background-color: #eee7da;
  border: 1.5px solid rgba(20, 17, 15, 0.18);
  box-shadow: 0 10px 30px rgba(20, 17, 15, 0.14), 0 2px 8px rgba(20, 17, 15, 0.08);
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.45s ease;
}

/* Body placeholder — sits behind front card, not visible */
.mock-back-body {
  flex: 1;
  background-color: #f9f4ed;
}

/* Hover: back card fans OUT to the LEFT — "spreading papers" effect */
.mock-stack:hover .mock-card-back {
  transform: translate(-10px, 6px) rotate(-1.4deg);
  box-shadow: 0 16px 40px rgba(20, 17, 15, 0.18), 0 4px 12px rgba(20, 17, 15, 0.1);
}

/* ── Decorative Assets ── */
.decor-combined-illustration {
  position: absolute;
  bottom: -4rem;
  left: -30%;
  width: 155%;
  max-width: 860px;
  height: auto;
  object-fit: contain;
  z-index: 0;
  opacity: 0.32;
  pointer-events: none;
}

/* ── Mock Portal (front card — no sidebar, full-width question panel) ── */
.mock-portal {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: stretch;
  border-radius: 8px;
  overflow: hidden;
  background-color: #ffffff;
  border: 1.5px solid rgba(20, 17, 15, 0.16);
  box-shadow: 0 18px 45px rgba(20, 17, 15, 0.16), 0 4px 14px rgba(20, 17, 15, 0.08);
  /* Pushed RIGHT by 90px — leaves room for back card sidebar on the left */
  width: calc(100% - 90px);
  margin-left: 90px;
  transform: translate(0, 0);
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.45s ease;
}

/* Hover: front card shifts slightly RIGHT + lifts — reveals more left sidebar */
.mock-stack:hover .mock-portal {
  transform: translate(4px, -4px);
  box-shadow: 0 24px 60px rgba(20, 17, 15, 0.22), 0 6px 18px rgba(20, 17, 15, 0.1);
}

/* ── Shiver animation for "Mark for Review" ── */
@keyframes card-shake {
  0%, 100% { transform: translate(3px, -3px); }
  15%       { transform: translate(-1px, -4px) rotate(-0.7deg); }
  30%       { transform: translate(5px, -2px) rotate(0.7deg); }
  45%       { transform: translate(0px, -4px) rotate(-0.5deg); }
  60%       { transform: translate(5px, -2px) rotate(0.5deg); }
  75%       { transform: translate(1px, -3px) rotate(-0.3deg); }
  90%       { transform: translate(4px, -3px) rotate(0.2deg); }
}

.mock-portal.shaking {
  animation: card-shake 0.55s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* ── Sidebar ── */
.mock-sidebar {
  width: 112px;
  flex-shrink: 0;
  background-color: #ede5d5;
  border-right: 1.5px solid rgba(20, 17, 15, 0.14);
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
}

.mock-tab {
  padding: 0.65rem 1rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: #7a7068;
  position: relative;
  cursor: pointer;
  letter-spacing: 0.01em;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.mock-tab:hover {
  color: var(--ink);
}

.mock-tab.active {
  color: var(--ink);
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.65);
}

.tab-indicator {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3.5px;
  border-radius: 0 2px 2px 0;
  background-color: var(--wine);
}

/* ── Main Panel ── */
.mock-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  min-width: 0;
}

.frame-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 1.25rem;
  background-color: #fdf9f3;
  border-bottom: 1px solid rgba(20, 17, 15, 0.08);
}

.frame-title {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink);
  letter-spacing: 0.01em;
  font-weight: 600;
}

.frame-timer {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--wine);
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.frame-body {
  padding: 1rem 1.25rem 0.75rem;
  background-color: #fff;
  flex: 1;
}

.frame-qnum {
  font-family: var(--font-body);
  font-size: 0.68rem;
  color: #9a9089;
  margin-bottom: 0.35rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.frame-question {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--ink);
  line-height: 1.55;
  margin-bottom: 1rem;
  font-weight: 400;
}

.frame-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.frame-option {
  padding: 0.55rem 0.875rem;
  border: 1px solid rgba(20, 17, 15, 0.12);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  background-color: #fff;
}

.radio-circle {
  width: 14px;
  height: 14px;
  border: 1.5px solid rgba(20, 17, 15, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radio-circle.checked::after {
  content: '';
  width: 7px;
  height: 7px;
  background-color: var(--wine);
  border-radius: 50%;
}

.frame-option.selected {
  border-color: var(--wine);
  background-color: rgba(143, 45, 31, 0.04);
}

.frame-option.selected .radio-circle {
  border-color: var(--wine);
}

.frame-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid rgba(20, 17, 15, 0.08);
  background-color: #fff;
}

.frame-btn {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.55rem 1rem;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  border: none;
  background: none;
  letter-spacing: 0.01em;
}

.frame-btn-outline {
  color: #9a9089;
  border: 1px solid rgba(20, 17, 15, 0.12) !important;
  background-color: transparent;
  position: relative;
  overflow: hidden;
  z-index: 0;
  transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.frame-btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.76, 0, 0.24, 1);
  z-index: -1;
}

.frame-btn-outline:hover {
  color: var(--paper);
  border-color: var(--ink) !important;
  box-shadow: 0 4px 16px rgba(20, 17, 15, 0.12);
}

.frame-btn-outline:hover::before {
  transform: scaleX(1);
}

.frame-btn-outline:active {
  transform: scale(0.98);
}

.frame-btn-solid {
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.35) 50%, transparent 60%), linear-gradient(135deg, #dcae44 0%, #c5a028 100%);
  background-size: 400% 100%, 100% 100%;
  animation: button-glaze-sweep 6s linear infinite;
  color: #14110f;
  font-weight: 700;
  border: 1px solid rgba(20, 17, 15, 0.1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: color 0.4s ease, border-color 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 10px rgba(220, 174, 68, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* Base dark layer (Black) */
.frame-btn-solid::before {
  content: '';
  position: absolute;
  top: 0; left: -10%;
  width: 120%; height: 100%;
  background: #14110f;
  z-index: -1;
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

/* Accent swipe layer (Red) */
.frame-btn-solid::after {
  content: '';
  position: absolute;
  top: 0; left: -10%;
  width: 120%; height: 100%;
  background: #b42318;
  z-index: -2;
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.frame-btn-solid:hover {
  color: #dcae44;
  border-color: #b42318;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(180, 35, 24, 0.35);
}

.frame-btn-solid:hover::after {
  transform: translateX(0) skewX(-15deg);
}

.frame-btn-solid:hover::before {
  transform: translateX(0) skewX(-15deg);
  transition-delay: 0.08s;
}

.frame-btn-solid:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(180, 35, 24, 0.25);
}

/* ── Ecosystem Strip ── */
.hero-ecosystem-strip {
  width: 100%;
  border-top: 1px solid var(--line);
  background-color: transparent;
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding: 0;
}

.strip-item {
  flex: 1;
  display: flex;
  gap: 1rem;
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.strip-item:last-child {
  border-right: none;
}

.strip-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--red);
  font-weight: 700;
}

.strip-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.strip-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  letter-spacing: 0.1em;
  font-weight: 700;
}

.strip-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.4;
}

.strip-more {
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
}

.strip-more .strip-desc {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .hero-product-evidence {
    justify-content: center;
    margin-top: 2rem;
  }
  
  .decor-campus-sketch {
    right: 0;
    width: 100%;
  }

  .mock-back-panel {
    right: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-ecosystem-strip {
    flex-wrap: wrap;
    border-top: none;
    margin-top: 4rem;
  }
  
  .strip-item {
    flex: 1 1 50%;
    border-top: 1px solid var(--line);
    border-right: none;
  }
  
  .strip-item:nth-child(even) {
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 430px) {
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  
  .hero-credibility {
    border-left: none;
    border-top: 2px solid var(--line);
    padding-left: 0;
    padding-top: 1rem;
    margin-top: 1rem;
  }

  .strip-item {
    flex: 1 1 100%;
    border-left: none !important;
  }

  .mock-back-panel {
    display: none; /* Hide complex back panel on mobile to save space */
  }

  .decor-campus-sketch,
  .decor-handwritten-note,
  .decor-practice-annotation {
    opacity: 0.3; /* Reduce noise on small screens */
  }
}

/* ==========================================================================
   POST-CINEMATIC REVEAL ANIMATIONS
   ========================================================================== */

/* 
   These animations apply ONLY when the body has .state-hero-animating.
   This guarantees that if JS fails, or when the animation is finished,
   the Hero relies solely on its fully visible default CSS state.
*/

/* Hide hero elements during cinematic sequence to prevent Flash of Final State */
body[class*="state-"]:not(.state-hero-animating) .site-header,
body[class*="state-"]:not(.state-hero-animating) .hero-technical-intro,
body[class*="state-"]:not(.state-hero-animating) .hero-headline,
body[class*="state-"]:not(.state-hero-animating) .hero-copy,
body[class*="state-"]:not(.state-hero-animating) .hero-ctas,
body[class*="state-"]:not(.state-hero-animating) .hero-credibility,
body[class*="state-"]:not(.state-hero-animating) .mock-card-back,
body[class*="state-"]:not(.state-hero-animating) .mock-portal,
body[class*="state-"]:not(.state-hero-animating) [class^="decor-"],
body[class*="state-"]:not(.state-hero-animating) .hero-ecosystem-strip {
  opacity: 0 !important;
  pointer-events: none !important;
}

@keyframes hero-element-reveal {
  0% { 
    transform: translateY(30px); 
    opacity: 0; 
  }
  100% { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

@keyframes header-element-reveal {
  0% { 
    transform: translateY(-20px); 
    opacity: 0; 
  }
  100% { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

body.state-hero-animating .site-header {
  animation: header-element-reveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.0s;
}

body.state-hero-animating .hero-technical-intro {
  animation: hero-element-reveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.15s;
}

body.state-hero-animating .hero-headline {
  animation: hero-element-reveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.25s;
}

body.state-hero-animating .hero-copy {
  animation: hero-element-reveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.55s;
}

body.state-hero-animating .hero-ctas,
body.state-hero-animating .hero-credibility {
  animation: hero-element-reveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.75s;
}

@keyframes card-dissolve-reveal {
  0% { 
    transform: translateY(40px) scale(0.95); 
    opacity: 0; 
    filter: blur(16px);
  }
  100% { 
    transform: translateY(0) scale(1); 
    opacity: 1; 
    filter: blur(0);
  }
}

body.state-hero-animating .mock-card-back {
  animation: card-dissolve-reveal 1.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.8s;
}

body.state-hero-animating .mock-portal {
  animation: card-dissolve-reveal 1.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 1.0s;
}

body.state-hero-animating [class^="decor-"] {
  animation: hero-element-reveal 1.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.9s;
}

body.state-hero-animating .hero-ecosystem-strip {
  animation: hero-element-reveal 1.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 1.1s;
}